diff --git a/default.nix b/default.nix
index 93035b1..34a2f00 100644
--- a/default.nix
+++ b/default.nix
@@ -376,6 +376,12 @@ in
         8554      # RTSP (MediaMTX)
         8889      # MediaMTX WebRTC
       ];
+
+      networking.firewall.allowedUDPPorts = [
+        3956   # GigE Vision Control Protocol (GVCP)
+      ];
+
+      networking.firewall.allowPing = true;
     };
 
     # Any other usda-dash specific configuration